Abaixo da saída do console. Eu fiz o início e o final do congelamento em negrito. Você tem alguma idéia do que poderia ser a fonte?
06.09.13 19:30:49,000 kernel[0]: sav: [EWOULDBLOCK][vnode:0xffffff801d9fbd90][original:0xffffff801d9fbd90][callback: 0 count:267 ] onaccessctl_check:1717 result:0 disconnected:0
06.09.13 19:30:49,000 kernel[0]: sav: current scan list:
06.09.13 19:30:49,000 kernel[0]: sav: (pid 17159 [mtmd], vnode 0xffffff801d9fbd90 [/Users/theair/Library/Application Support/Google/Chrome/Default/Session Storage/000263.log], [context 0xffffff801983c690] [result 0] [setup 0] [disconnected 0] [vfsbusy 0]) - 1 waiter(s)
06.09.13 19:30:49,000 kernel[0]: sav: available kctl entries: 9
06.09.13 19:30:49,000 kernel[0]: sav: onaccess_send: NULL target or context; request:0 kctl_entry:0xffffff801c79d000
06.09.13 19:30:49,000 kernel[0]: sav: onaccess_send: not SAV_KCTL_REQ_COMPLETE, return ENOMEM
06.09.13 19:30:49,000 kernel[0]: sav: onaccess_send: NULL target or context; request:3 kctl_entry:0xffffff801c79d000
06.09.13 19:30:49,000 kernel[0]: sav: onaccess_send: SAV_KCTL_REQ_COMPLETE, intercheck_done()
**06.09.13 19:30:50,334 coreservicesd[31]: SendFlattenedData, got error #268435460 (ipc/send) timed out from ::mach_msg(), sending notification kLSNotifyApplicationBirth to notificationID=116**
06.09.13 19:30:50,334 coreservicesd[31]: SendFlattenedData, got error #268435460 (ipc/send) timed out from ::mach_msg(), sending notification kLSNotifyApplicationBirth to notificationID=143
06.09.13 19:30:50,334 coreservicesd[31]: SendFlattenedData, got error #268435460 (ipc/send) timed out from ::mach_msg(), sending notification kLSNotifyApplicationBirth to notificationID=1346
06.09.13 19:30:50,362 com.apple.mtmd[17159]: stat on /Users/theair/Library/Application Support/Google/Chrome/Default/History Index 2013-09-journal: No such file or directory
06.09.13 19:30:50,000 kernel[0]: nspace-handler-unblock: did not find token 301236
06.09.13 19:30:50,912 WindowServer[82]: reenable_update_for_connection: UI updates were finally reenabled by application "Microsoft Outlook" after 596.34 seconds (server forcibly re-enabled them after 1.00 seconds)
06.09.13 19:30:51,481 coreservicesd[31]: SendFlattenedData, got error #268435460 (ipc/send) timed out from ::mach_msg(), sending notification kLSNotifyApplicationDeath to notificationID=100
06.09.13 19:30:51,523 coreservicesd[31]: SendFlattenedData, got error #268435460 (ipc/send) timed out from ::mach_msg(), sending notification kLSNotifyApplicationDeath to notificationID=100
06.09.13 19:30:51,548 coreservicesd[31]: SendFlattenedData, got error #268435460 (ipc/send) timed out from ::mach_msg(), sending notification kLSNotifyApplicationReady to notificationID=9717
06.09.13 19:30:54,347 mdworker[80656]: ENSpotlightImporter:managedObjectModel unable to load model at URL file://localhost/.MobileBackups/Computer/2013-09-06-192050/Volume/Users/theair/Library/Containers/com.evernote.Evernote/Data/Library/CoreData/com.evernote.Evernote/.support/model.mom
06.09.13 19:30:54,348 mdworker[80656]: ENSpotlightImporter:importFileAtPath:attributes:error: caught exception: Cannot create an NSPersistentStoreCoordinator with a nil model
06.09.13 19:32:27,316 coreaudiod[172]: Disabled automatic stack shots because audio IO is active
06.09.13 19:32:27,491 coreaudiod[172]: Enabled automatic stack shots because audio IO is inactive
06.09.13 19:33:12,332 Dock[183]: no information back from LS about running process
Conforme @ comentário cluesque , aqui está o fio sugerindo que a Sophos é a culpada . Os elementos comuns incluem o par nspace-handler-set-snapshot-time e nspace-handler-unblock , separados por cerca de 10 minutos da máquina sendo incapaz de fazer IO.
Relacionado: Bola de praia constante e congela sem alto uso da CPU, “nspace-handler-update: não encontrou token "Mensagem .